Le système de caméra ALEXA est connu pour ses performances d’image exceptionnelles, simples à utiliser, fiables même dans les environnements les plus extrêmes et suffisamment polyvalents pour couvrir un large éventail d’exigences en matière de flux de travail et de budget.
ARRI ALEXA SXT PL-Mount Specs
Sensor
Type | 35 mm Format CMOS |
Color Filter System | Bayer Pattern |
Active Photo Sites | Sensor Mode 16:9 ARRIRAW 2.8K: 2880 x 1620 ARRIRAW 3.2K: 3168 x 1782 16:9 ProRes HD: 2880 x 1620 Down-Sampled to 1920 x 1080 16:9 ProRes 2K: 2880 x 1620 Down-Sampled to 2048 x 1152 16:9 ProRes 3.2K: 3200 x 1800 16:9 ProRes UHD 4K: 3200 x 1800 Up-Sampled to 3840 x 2160 Sensor Mode 6:5 6:5 ARRIRAW 2.6K: 2578 x 2160 6:5 ProRes 2K Anamorphic: 2560 x 2146 Down-Sampled to 2048 x 858 6:5 ProRes 4K Anamorphic: 2560 x 2146 Re-Sampled to 4096 x 1716 Sensor Mode 4:3 4:3 ARRIRAW 2.8K: 2880 x 2160 4:3 ProRes 2.8K: 2880 x 2160 Sensor Mode Open Gate Open Gate ARRIRAW 3.4K: 3424 x 2202 Open Gate ProRes 3.4K: 3424 x 2202 Open Gate ProRes 4K Cine: 3414 x 2198 Up-Sampled to 4096 x 2636 |
Operating Modes | 16:9, 6:5, 4:3, or Open Gate Sensor Modes |
Image Processing | Internal: 16-Bit Linear Processing in Full ALEXA Wide Gamut/Log C Color Space Target Output: Log C, Rec 709, or Rec 2 Color Spaces |
Camera
Lens Mount | 54 mm Stainless Steel LDS PL Super 35-Centered 52.00mm Nominal Flange Focal Depth (Without FSND Filters) |
Frame Rates | 16:9: 0.75–120 fps 6:5: 0.75–96 fps 4:3: 0.75–96 fps Open Gate: 0.75–90 fps |
Electronic Shutter | 5 to 358° up to 60 fps 5 to 356° Above 60 fps Adjustable Shutter Angle: 1/10° Increments |
Built-In Filters | Optical Low-Pass UV IR |
Exposure Latitude | 14+ Stops from EI 160–3200 |
Exposure Index | Number of Stops Above/Below 18% Gray: EI 160 +5.2/-9.3 EI 200 +5.6/-8.9 EI 400 +6.6/-7.9 EI 800 +7.8/-6.7 EI 1600 +8.6/-5.9 EI 3200 +9.7/-4.8 |
White Balance Modes | Presets: 3200 (Tungsten) 4300 (Fluorescent) 5600 (Daylight) 7000 (daylight cool) Automatic or Manual: 2000 to 11,000 Kelvin, adjustable in 100K steps |
Color Correction | Green/Magenta Adjustable Range: -12 to +12 CC |
Video Transmitter
Transmission Range | 2000' / 600 m |
Latency Average | <1 ms |
Encryption | 128-Bit AES |
Audio
Sound Level | <19 dBA |
Audio Input | 1 x 5-Pin XLR for 2-Channel, Line Level, Balanced Audio A/D Conversion: 24-Bit, 48 kHz |
Audio Recording | Uncompressed PCM Audio: ARRIRAW, ProRes, Embedded in HD-SDI Output |
Headphone Output | Maximum: 2.5 dBm |
Controls
Control Interface | Transflective Color LCD Screen: 3" / 76.2 mm 400 x 240 Pixels |
Recording
Recording Codecs | 16:9: ProRes UHD 4K/3.2K/2K/HD: 4444 XQ, 4444, 422 HQ, 422 ARRIRAW 3.2K, 2.8K 6:5: ProRes 4K Cine Anamorphic 4444 XQ, 4444, 422 HQ, 422 ProRes 2K Anamorphic 4444 XQ, 4444, 422 HQ, 422 ARRIRAW 2.6K 4:3: ProRes 2.8K: 4444 XQ, 4444, 422 HQ, 422 ARRIRAW 2.8K Open Gate: ProRes 4K Cine: 4444 XQ, 4444, 422 HQ, 422 ProRes 3.4K: 4444 XQ, 4444, 422 HQ, 422 ARRIRAW 3.4K |
Recording Media | SxS PRO or SxS PRO+ Cards (Requires SxS Adapter 2) CFast 2.0 Cards (Requires CFast 2.0 Adapter 2) XR Capture Drives (Requires XR Adapter) SXR Capture Drives (Requires SXR Adapter) |
Supported Media | SXR Capture Drive: Requires SXR Adapter B&H # ARK2.0008429 ARRI # K2.0008429 SXR Capture Drive 1 TB (Red Collar) CDX-37019 B&H # ARK2.0006942 ARRI # K2.0006942 SXR Capture Drive 2 TB (Blue Collar) CDX-37021 B&H # ARK2.0006157 ARRI # K2.0006157 Codex XR Capture Drive: Requires XR Adapter B&H # ARK2.0008430 ARRI # K2.0008430 XR Capture Drive 512 GB CDX-3730 ARRI # --- SxS (ExpressCard/34): Requires SxS Adapter 2 B&H # ARK2.0006338 ARRI # K2.0006338 Sony SxS PRO/PRO+ 64 GB SBP-64A-D B&H # SOSBP64E Mfr. # SBP64E Sony SxS PRO 128 GB SBP-128B-E B&H # SOSBP128E ARRI # K2.0003106 Sony SxS PRO 256 GB SBP-256D/E B&H # ARSXSP256 GB ARRI # K2.0014951 CFast 2.0: Requires CFast 2.0 Adapter B&H # ARK2.00063 ARRI # K2.0006337 Lexar 3600x CFast 2.0 256 GB LC256Cxxxx3600/G2 ARRI # --- |
Interfaces / Ports
Connectors | Media Slot: 1 x SD Card Slot Monitor Out 1.5G HD/SD-SDI: 4 x BNC Audio In: 1 x XLR, 5-Pin Analog Return/Sync In 1.5G HD-SDI: 1 x BNC External Accessory Interface: 1 x 16-Pin LEMO Battery In: 1 x Fischer 2-Pin, 24 V Remote Start/Accessory Out: 3 x 3-Pin Fischer, 24 V Accessory Power Out: 1 x 2-Pin LEMO, 12 V Timecode In/Out: 1 x 5-Pin LEMO Headphone Out: 1 x TRS 3.5 mm Mini Stereo EVF: 1 x Custom 16-Pin LEMO Ethernet: 1 x Custom 10-Pin LEMO with 24 V Power Lens Data Display (LDD): 1 x 5-Pin Fischer Lens Control System (LCS): 2 x 5-Pin Fischer CLM-2, CLM-3, CLM-4 or Later Focus: 1 x 12-Pin Fischer CLM-2, CLM-3, CLM-4 or Later Iris: 1 x 12-Pin Fischer CLM-2, CLM-3, CLM-4 or Later Zoom: 1 x 12-Pin Fischer |
Power Input | Not Specified by Manufacturer |
Environmental
Operating Temperature | -4 to 113°F / -20 to 45°C |
Dust and Humidity | 95% Maximum Humidity (Non-Condensing) Splash and Dust-Proof |
Physical
Dimensions | Body Only: 13.8 x 7.4 x 6.2" / 35.1 x 18.8 x 15.7 cm With Handle & EVF-1: 16.3 x 9.9 x 8.8" / 41.4 x 25.1 x 22.4 cm |
Weight | Body Only: 16.3 lb / 7.4 kg With Handle & EVF-1: 19.6 lb / 8.9 kg |